Блог компании Mingjiada Electronics Long Term Supply TI DP83848KSQ Single Port Ethernet PHY Transceiver

Mingjiada Electronics Long Term Supply TI DP83848KSQ Single Port Ethernet PHY Transceiver

DP83848KSQ—10/100Mbps Ethernet PHY Transceiver, Powering Robust Connectivity for Industrial Applications

In modern industrial control and automotive electronics, the stability and reliability of network connectivity directly impact overall system performance. Texas Instruments (TI) introduces the DP83848KSQ, a high-performance 10/100Mbps Ethernet PHY transceiver engineered for harsh environments.

With its exceptional interoperability, superior ESD protection, and wide operating temperature range, this chip is an ideal choice for industrial automation, building automation, transportation, and other applications. Whether in factory automation equipment or automotive infotainment systems, the DP83848KSQ delivers a stable and reliable Ethernet connectivity solution.

01 Product Overview
The DP83848KSQ is part of Texas Instruments' PHYTER product family, a fully integrated single-port 10/100Mbps Ethernet physical layer (PHY) transceiver.
Manufactured using advanced 0.18μm CMOS technology, this device operates at 3.3V with typical power consumption below 270mW, making it highly suitable for low-power applications.
As an industrial-grade chip, the DP83848KSQ delivers outstanding performance and reliability, exceeding IEEE specification requirements in its design.
It supports Ethernet protocols including 10Mb/s half-duplex, 10Mb/s full-duplex, 100Mb/s half-duplex, and 100Mb/s full-duplex, meeting the demands of diverse network environments.

02 Detailed Specifications
The DP83848KSQ's specifications demonstrate its adaptability and stability across diverse environments:
Data Rate: Supports 10Mbps and 100Mbps auto-negotiating Ethernet transmission
Supply Voltage: 3.0V to 3.6V, typical 3.3V
Operating Temperature: -40°C to 85°C (industrial grade)
Interface Support: Simultaneously supports MII and RMII interfaces, enhancing compatibility with MPUs
Package Type: 40-pin WQFN package (6mm × 6mm) for compact footprint
Mounting Method: Surface Mount Technology (SMD), suitable for automated production
This device also complies with the IEEE 802.3u standard, supporting auto-negotiation and parallel detection functions to automatically select the highest-performance operating mode.

03 Product Features
The DP83848KSQ boasts an impressive array of features that set it apart from other Ethernet PHY devices:
Exceptional Interoperability
The DP83848KSQ delivers outstanding interoperability and industry-leading performance over Category 5 cable exceeding 137 meters.
This ensures error-free operation over long distances, making it ideal for cabling requirements in large industrial plants and automated facilities.
Auto MDIX Functionality
The device integrates auto MDIX capability, automatically recognizing and adapting to MDI or MDIX connections, eliminating cabling complexity.
Users no longer need to worry about using straight-through or crossover cables, significantly simplifying installation and maintenance.
Robust ESD Protection
The DP83848KSQ/NOPB delivers outstanding ESD protection exceeding 4kV HMM, ensuring high reliability and robust operation.
This capability enables it to withstand common electrostatic discharge events in industrial environments, guaranteeing long-term stable device operation.
Low-Power Design
Employing low-power 3.3V, 0.18μm CMOS technology with typical power consumption under 270mW, the DP83848KSQ is ideal for applications with stringent power requirements.
Flexible Interface Options
The DP83848KSQ device supports both MII and RMII interfaces, offering greater flexibility and expanding compatible MPUs.
This design allows system engineers to freely select the MAC interface best suited for their application, enhancing design flexibility.
Built-in Self-Test Functionality
The DP83848KSQ incorporates internal Built-in Self-Test (BIST) circuitry for in-circuit testing or diagnostics.
This feature significantly simplifies production testing and field fault diagnosis, reducing maintenance costs.

04 Application Areas
The DP83848KSQ is widely used in Ethernet connectivity scenarios across various harsh environments:
Industrial Control and Automation
In industrial control systems, factory automation, and building automation systems, the DP83848KSQ delivers reliable network connectivity to ensure stable operation of production equipment.
Its wide temperature range and robust interference resistance enable it to withstand diverse challenges in factory environments.
Automotive and Transportation
The DP83848KSQ excels in automotive infotainment systems, onboard camera modules, and transportation systems.
Its extended temperature range and AEC-Q100 Grade 2 certification meet the stringent reliability demands of automotive electronics.
Communication Equipment
In communication facilities such as wireless base stations and test equipment, the DP83848KSQ ensures stable and reliable data transmission.
Smart Home Appliances & Building Automation
As a network interface for multimedia gateway systems and smart home appliances, the DP83848KSQ delivers efficient connectivity solutions.
It also plays a critical role in building automation devices like IP cameras.

As the Internet of Things and Industry 4.0 advance, networking demands extend into increasingly harsh environments. The DP83848KSQ precisely meets this market need with its outstanding performance and reliability. Features like transmission distances exceeding 137 meters, auto-MDIX functionality, and robust ESD protection ensure stable connectivity in diverse challenging environments.

[Shenzhen Mingjiada Electronics Co., Ltd.] We offer long-term supply of TI (DP83848KSQ) single-port 10/100Mbps Ethernet PHY transceivers. For more product information or pricing inquiries regarding the DP83848KSQ, visit Mingjiada Electronics' official website (https://www.integrated-ic.com/) to explore further supply details.